Home / 1,267,100,965.40-1,748,438,589.09-694,733,406.94

Finding the Fourth Proportional to 1,267,100,965.40, 1,748,438,589.09 and 694,733,406.94

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Solution

The fourth proportional to 1,267,100,965.40, 1,748,438,589.09 and 694,733,406.94 is: 958,643,968.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,100,965.40 : 1,748,438,589.09 = 694,733,406.94 : x
  2. Step 2: Convert to fraction form
    1,267,100,965.40/1,748,438,589.09 = 694,733,406.94/x
  3. Step 3: Cross multiply
    1,267,100,965.40x = 1,748,438,589.09 × 694,733,406.94
  4. Step 4: Simplify right side
    1,267,100,965.40x = 1,214,698,697,828,687,872
  5. Step 5: Solve for x
    x = 1,214,698,697,828,687,872/1,267,100,965.40
  6. Step 6: Final answer
    x = 958,643,968.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.